I have a 97 f250 4x4 and today i saw this thing on you tube for performance mods and the guy said by using somthing called big boost which i have never head if you know about it where could i find it he used that an sct chip intake and exhaust then said he used a superchip dpi for propane injection and was with that set up you can very safely and reliably run 600ftlb of torque and increase your fuel mileage up to 22mpg is this guy just bull****ing or is this for real can anyone let me know if they have done this or no someone who has done this and if it worked?

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